2 * ntpd.h - Prototypes for ntpd.
5 #include "ntp_syslog.h"
8 #include "ntp_select.h"
9 #include "ntp_malloc.h"
10 #include "ntp_refclock.h"
13 #define MAXINTERFACES 512
14 #define MAXFILENAME 128 /* maximum length of a file name */
17 #define exit service_exit
18 extern void service_exit (int);
19 /* declare the service threads */
20 void service_main (DWORD, LPTSTR *);
21 void service_ctrl (DWORD);
22 void worker_thread (void *);
23 #define sleep(x) Sleep((DWORD) x * 1000 /* milliseconds */ );
25 #define closesocket close
26 #endif /* SYS_WINNT */
29 extern void getconfig P((int, char **));
32 extern void ctl_clr_stats P((void));
33 extern int ctlclrtrap P((struct sockaddr_in *, struct interface *, int));
34 extern u_short ctlpeerstatus P((struct peer *));
35 extern int ctlsettrap P((struct sockaddr_in *, struct interface *, int, int));
36 extern u_short ctlsysstatus P((void));
37 extern void init_control P((void));
38 extern void process_control P((struct recvbuf *, int));
39 extern void report_event P((int, struct peer *));
41 extern double fabs P((double));
42 extern double sqrt P((double));
46 * Structure for translation tables between internal system
47 * variable indices and text format.
58 #define CAN_WRITE 0x02
65 #define WO (CAN_WRITE)
66 #define RW (CAN_READ|CAN_WRITE)
68 extern char * add_var P((struct ctl_var **, unsigned long, int));
69 extern void free_varlist P((struct ctl_var *));
70 extern void set_var P((struct ctl_var **, const char *, unsigned long, int));
71 extern void set_sys_var P((char *, unsigned long, int));
74 extern void ntp_res_name P((u_int32, u_short));
75 extern void ntp_res_recv P((void));
76 extern void ntp_intres P((void));
79 extern struct interface *findinterface P((struct sockaddr_in *));
80 extern struct interface *findbcastinter P((struct sockaddr_in *));
82 extern void init_io P((void));
83 extern void input_handler P((l_fp *));
84 extern void io_clr_stats P((void));
85 extern void io_setbclient P((void));
86 extern void io_unsetbclient P((void));
87 extern void io_multicast_add P((u_int32));
88 extern void io_multicast_del P((u_int32));
89 extern void kill_asyncio P((void));
91 extern void sendpkt P((struct sockaddr_in *, struct interface *, int, struct pkt *, int));
92 #ifdef HAVE_SIGNALED_IO
93 extern void wait_for_signal P((void));
94 extern void unblock_io_and_alarm P((void));
95 extern void block_io_and_alarm P((void));
99 extern void init_leap P((void));
100 extern void leap_process P((void));
101 extern int leap_setleap P((int, int));
103 * there seems to be a bug in the IRIX 4 compiler which prevents
104 * u_char from beeing used in prototyped functions.
105 * This is also true AIX compiler.
106 * So give up and define it to be int. WLJ
108 extern int leap_actual P((int));
110 /* ntp_loopfilter.c */
111 extern void init_loopfilter P((void));
112 extern int local_clock P((struct peer *, double, double));
113 extern void adj_host_clock P((void));
114 extern void loop_config P((int, double));
115 extern void huffpuff P((void));
118 extern void init_mon P((void));
119 extern void mon_start P((int));
120 extern void mon_stop P((int));
121 extern void ntp_monitor P((struct recvbuf *));
124 extern void init_peer P((void));
125 extern struct peer *findexistingpeer P((struct sockaddr_in *, struct peer *, int));
126 extern struct peer *findpeer P((struct sockaddr_in *, struct interface *, int, int, int *));
127 extern struct peer *findpeerbyassoc P((u_int));
128 extern struct peer *newpeer P((struct sockaddr_in *, struct interface *, int, int, int, int, u_int, u_int, int, keyid_t));
129 extern void peer_all_reset P((void));
130 extern void peer_clr_stats P((void));
131 extern struct peer *peer_config P((struct sockaddr_in *, struct interface *, int, int, int, int, u_int, int, keyid_t, u_char *));
132 extern void peer_reset P((struct peer *));
133 extern int peer_unconfig P((struct sockaddr_in *, struct interface *, int));
134 extern void unpeer P((struct peer *));
135 extern void clear_all P((void));
137 extern void expire_all P((void));
139 extern struct peer *findmanycastpeer P((struct recvbuf *));
140 extern void resetmanycast P((void));
143 extern void transmit P((struct peer *));
144 extern void receive P((struct recvbuf *));
145 extern void peer_clear P((struct peer *));
146 extern void process_packet P((struct peer *, struct pkt *, l_fp *));
147 extern void clock_select P((void));
150 * there seems to be a bug in the IRIX 4 compiler which prevents
151 * u_char from beeing used in prototyped functions.
152 * This is also true AIX compiler.
153 * So give up and define it to be int. WLJ
155 extern void poll_update P((struct peer *, int));
157 extern void clear P((struct peer *));
158 extern void clock_filter P((struct peer *, double, double, double));
159 extern void init_proto P((void));
160 extern void proto_config P((int, u_long, double));
161 extern void proto_clr_stats P((void));
165 extern int refclock_newpeer P((struct peer *));
166 extern void refclock_unpeer P((struct peer *));
167 extern void refclock_receive P((struct peer *));
168 extern void refclock_transmit P((struct peer *));
169 extern void init_refclock P((void));
170 #endif /* REFCLOCK */
173 extern void init_request P((void));
174 extern void process_private P((struct recvbuf *, int));
177 extern void init_restrict P((void));
178 extern int restrictions P((struct sockaddr_in *));
179 extern void hack_restrict P((int, struct sockaddr_in *, struct sockaddr_in *, int, int));
182 extern void init_timer P((void));
183 extern void timer P((void));
184 extern void timer_clr_stats P((void));
186 extern char *sys_hostname;
187 extern l_fp sys_revoketime;
191 extern void init_util P((void));
192 extern void hourly_stats P((void));
193 extern void stats_config P((int, char *));
194 extern void record_peer_stats P((struct sockaddr_in *, int, double, double, double, double));
195 extern void record_loop_stats P((double, double, double, double, int));
196 extern void record_clock_stats P((struct sockaddr_in *, const char *));
197 extern void record_raw_stats P((struct sockaddr_in *, struct sockaddr_in *, l_fp *, l_fp *, l_fp *, l_fp *));
200 * Variable declarations for ntpd.
204 extern char const * progname;
205 extern char sys_phone[][MAXDIAL]; /* ACTS phone numbers */
206 extern char pps_device[]; /* PPS device name */
207 #if defined(HAVE_SCHED_SETSCHEDULER)
208 extern int config_priority_override;
209 extern int config_priority;
214 extern struct ctl_trap ctl_trap[];
215 extern int num_ctl_traps;
216 extern keyid_t ctl_auth_keyid; /* keyid used for authenticating write requests */
219 * Statistic counters to keep track of requests and responses.
221 extern u_long ctltimereset; /* time stats reset */
222 extern u_long numctlreq; /* number of requests we've received */
223 extern u_long numctlbadpkts; /* number of bad control packets */
224 extern u_long numctlresponses; /* number of resp packets sent with data */
225 extern u_long numctlfrags; /* number of fragments sent */
226 extern u_long numctlerrors; /* number of error responses sent */
227 extern u_long numctltooshort; /* number of too short input packets */
228 extern u_long numctlinputresp; /* number of responses on input */
229 extern u_long numctlinputfrag; /* number of fragments on input */
230 extern u_long numctlinputerr; /* number of input pkts with err bit set */
231 extern u_long numctlbadoffset; /* number of input pkts with nonzero offset */
232 extern u_long numctlbadversion; /* number of input pkts with unknown version */
233 extern u_long numctldatatooshort; /* data too short for count */
234 extern u_long numctlbadop; /* bad op code found in packet */
235 extern u_long numasyncmsgs; /* number of async messages we've sent */
238 extern keyid_t req_keyid; /* request keyid */
239 extern char * req_file; /* name of the file with configuration info */
242 * Other statistics of possible interest
244 extern volatile u_long packets_dropped; /* total number of packets dropped on reception */
245 extern volatile u_long packets_ignored; /* packets received on wild card interface */
246 extern volatile u_long packets_received;/* total number of packets received */
247 extern u_long packets_sent; /* total number of packets sent */
248 extern u_long packets_notsent; /* total number of packets which couldn't be sent */
250 extern volatile u_long handler_calls; /* number of calls to interrupt handler */
251 extern volatile u_long handler_pkts; /* number of pkts received by handler */
252 extern u_long io_timereset; /* time counters were reset */
257 extern struct interface *any_interface; /* default interface */
258 extern struct interface *loopback_interface; /* loopback interface */
261 * File descriptor masks etc. for call to select
263 extern fd_set activefds;
264 extern int maxactivefd;
266 /* ntp_loopfilter.c */
267 extern double drift_comp; /* clock frequency (s/s) */
268 extern double clock_stability; /* clock stability (s/s) */
269 extern double clock_max; /* max offset before step (s) */
270 extern double clock_panic; /* max offset before panic (s) */
271 extern double clock_phi; /* dispersion rate (s/s) */
272 extern double clock_minstep; /* step timeout (s) */
273 extern u_long pps_control; /* last pps sample time */
275 extern int pll_status; /* status bits for kernel pll */
276 #endif /* KERNEL_PLL */
279 * Clock state machine control flags
281 extern int ntp_enable; /* clock discipline enabled */
282 extern int pll_control; /* kernel support available */
283 extern int kern_enable; /* kernel support enabled */
284 extern int pps_enable; /* kernel PPS discipline enabled */
285 extern int ext_enable; /* external clock enabled */
286 extern int cal_enable; /* refclock calibrate enable */
287 extern int allow_step; /* allow step correction */
288 extern int allow_panic; /* allow panic correction */
289 extern int mode_ntpdate; /* exit on first clock set */
290 extern int peer_ntpdate; /* count of ntpdate peers */
293 * Clock state machine variables
295 extern u_char sys_poll; /* system poll interval (log2 s) */
296 extern u_char sys_minpoll; /* min system poll interval (log2 s) */
297 extern int state; /* clock discipline state */
298 extern int tc_counter; /* poll-adjust counter */
299 extern u_long last_time; /* time of last clock update (s) */
300 extern double last_offset; /* last clock offset (s) */
301 extern double allan_xpt; /* Allan intercept (s) */
302 extern double sys_error; /* system RMS error (s) */
303 extern double sys_jitter; /* system RMS jitter (s) */
306 extern struct mon_data mon_mru_list;
307 extern struct mon_data mon_fifo_list;
308 extern int mon_enabled;
311 extern struct peer *peer_hash[]; /* peer hash table */
312 extern int peer_hash_count[]; /* count of peers in each bucket */
313 extern struct peer *assoc_hash[]; /* association ID hash table */
314 extern int assoc_hash_count[];
315 extern int peer_free_count;
318 * Miscellaneous statistic counters which may be queried.
320 extern u_long peer_timereset; /* time stat counters were zeroed */
321 extern u_long findpeer_calls; /* number of calls to findpeer */
322 extern u_long assocpeer_calls; /* number of calls to findpeerbyassoc */
323 extern u_long peer_allocations; /* number of allocations from the free list */
324 extern u_long peer_demobilizations; /* number of structs freed to free list */
325 extern int total_peer_structs; /* number of peer structs in circulation */
326 extern int peer_associations; /* number of active associations */
330 * System variables are declared here. See Section 3.2 of the
333 extern u_char sys_leap; /* system leap indicator */
334 extern u_char sys_stratum; /* stratum of system */
335 extern s_char sys_precision; /* local clock precision */
336 extern double sys_rootdelay; /* distance to current sync source */
337 extern double sys_rootdispersion; /* dispersion of system clock */
338 extern u_int32 sys_refid; /* reference source for local clock */
339 extern l_fp sys_reftime; /* time we were last updated */
340 extern struct peer *sys_peer; /* our current peer */
341 extern struct peer *sys_prefer; /* our cherished peer */
342 extern u_long sys_automax; /* maximum session key lifetime */
345 * Nonspecified system state variables.
347 extern int sys_bclient; /* we set our time to broadcasts */
348 extern double sys_bdelay; /* broadcast client default delay */
349 extern int sys_authenticate; /* requre authentication for config */
350 extern l_fp sys_authdelay; /* authentication delay */
351 extern keyid_t sys_private; /* private value for session seed */
352 extern int sys_manycastserver; /* 1 => respond to manycast client pkts */
355 * Statistics counters
357 extern u_long sys_stattime; /* time when we started recording */
358 extern u_long sys_badstratum; /* packets with invalid stratum */
359 extern u_long sys_oldversionpkt; /* old version packets received */
360 extern u_long sys_newversionpkt; /* new version packets received */
361 extern u_long sys_unknownversion; /* don't know version packets */
362 extern u_long sys_badlength; /* packets with bad length */
363 extern u_long sys_processed; /* packets processed */
364 extern u_long sys_badauth; /* packets dropped because of auth */
365 extern u_long sys_limitrejected; /* pkts rejected due to client count per net */
369 #if defined(PPS) || defined(HAVE_PPSAPI)
370 extern int fdpps; /* pps file descriptor */
375 extern keyid_t info_auth_keyid; /* keyid used to authenticate requests */
378 extern struct restrictlist *restrictlist; /* the restriction list */
379 extern u_long client_limit;
380 extern u_long client_limit_period;
383 extern volatile int alarm_flag; /* alarm flag */
384 extern u_long sys_revoke; /* keys revoke timeout */
385 extern volatile u_long alarm_overflow;
386 extern u_long current_time; /* current time (s) */
387 extern u_long timer_timereset;
388 extern u_long timer_overflows;
389 extern u_long timer_xmtcalls;
392 extern int stats_control; /* write stats to fileset? */
395 extern volatile int debug; /* debugging flag */
396 extern int nofork; /* no-fork flag */
397 extern int initializing; /* initializing flag */
399 /* refclock_conf.c */
401 extern struct refclock *refclock_conf[]; /* refclock configuration table */
402 extern u_char num_refclock_conf;